Portable folding bed



FIG. 1 is a top, front, right side perspective view of a portable folding bed, showing my new design in an open configuration;

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged view of detail 9 in FIG. 1 ; and,

FIG. 10 is a top, front, right side perspective view, shown in a closed configuration.

The broken lines depict portions of the portable folding bed that form no part of the claimed design. 

CLAIM The ornamental design for a portable folding bed, as shown and described. 